. >> cornell students. smarty pants, ivy league schools, studious, not so much. they're going the dance, ga gangnam. one person on a folding chair. popped out. the next, grew around the first dancer. second layer of dancers joined. the aerial shot. storming the plaza. they got some moves. and not just smart kids. >> how is that again? do your impression, gangnam impression. >> if you join me. just join me. come on. i'll do the gangnam. here we go. >> all right. like th >>> this morning on "world news now" -- debate countdown. candidates doing some last minute cramming to give voters some reality instead of rhetoric. >> the two men square off in their first debate in two days -- a few days anyway. it's monday, october 1st. >> announcer: from abc news, this is "world news now." >>> it's all good this monday morning. i'm paula faris. >> i'm john muller. rob nelson has the morning off. we will have the latest as candidates prepare to go head-to-head this week. first a look at some of the stories we are following this half-hour. >> leindsay lohan's latest. what would